diametrical
oxford
views updated May 17 2018di·a·met·ri·cal / ˌdīəˈmetrikəl/ •
adj. 1. used to emphasize how completely different two or more things are: he's the diametrical opposite of Gabriel.2. of or along a diameter.DERIVATIVES: di·a·met·ric adj.di·a·met·ri·cal·ly / -ik(ə)lē/ adv.
The Oxford Pocket Dictionary of Current English